AVR 350 (serv.man3) - Harman Kardon Audio EMC - CB Certificate (repair manual). Page 14

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www.nemko.com
 
Report No.  90401 
 
 
IEC/EN 60065 
Clause 
Requirement – Test 
Result - Remark 
Verdict 
11 FAULT 
CONDITIONS 
 
11.1 
No shock hazard under fault condition 
No electric shock hazard under 
fault conditions. 
11.2 
Heating under fault condition 
 
 
No hazard from softening solder 
No solder soften. 
11.2.1 
Measurement of temperature rises 
(see appended table) 
11.2.2 
Temperature rise of accessible parts 
(see appended table) 
11.2.3 
Temperature rise of parts, other than windings, 
providing electrical insulation 
(see appended table) 
 
Temperature rise of printed circuit boards (PCB) 
exceeding the limits of table 3 by max. 100 K for 
max. 5 min 
No area where temperature 
exceeds 100K above limits 
 
a) Temperature rise of printed circuit boards (PCB) 
to 20.1.3, exceeding the limits of table 3 by not more 
than 100 K for an area not greater than 2 cm² 
 
 
b) Temperature rise of printed circuit boards (PCB) 
to 20.1.3 up to 300 K for an area not greater than 
2 cm² for a maximum of 5 min 
 
 
Meets all the special conditions if conductors on 
printed circuit boards are interrupted 
 
11.2.4 
Temperature rise of parts acting as a support or 
mechanical barrier 
Temperature rises are within  
the limits.
 
11.2.5 
Temperature rise of windings 
(see appended table) 
11.2.6 
Temperature rise of parts not subject to the limits of 
11.2.1 to 11.2.5 
No excessive temperature 
observed/measured on other parts 
 
12 MECHANICAL 
STRENGTH 
 
12.1.1 
Bump test where mass >7 kg 
No damage in the sense of this 
standard 
12.1.2 Vibration 
test 
Assessed to be satisfactory 
constructed. 
12.1.3 
Impact hammer test 
No damage in the sense of this 
standard 
 
Steel ball test 
Complies 
12.1.4 
Drop test for portable apparatus where mass < 7 kg
Not a portable apparatus. 
12.1.5 
Thermoplastic enclosures strain relief test 
Tested, 70
°C, 7h 
12.2 
Fixing of knobs, push buttons, keys and levers 
Normal use will not impair the 
protection against electric shock. 
 
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